/*
 * Copyright 2009 Gal Dolber
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.user.dragdrop.client.impl;

import com.google.gwt.user.client.ui.MouseFollower;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.user.dragdrop.client.DragController;
import com.google.gwt.user.dragdrop.client.DropController;
import com.google.gwt.user.dragdrop.client.util.DragHandler;

/**
 * Standard drag implementation
 */
public class DragProxyImpl extends DragHandler {

	protected SimplePanel proxy = new SimplePanel();

	@Override
	public void onDragEnd(DragController controller) {
		super.onDragEnd(controller);
		DropController.onDragDrop(controller);
		MouseFollower.hide();
	}

	@Override
	public void onDragMove(DragController controller) {
		super.onDragMove(controller);
		DropController.onDragMove(controller);
	}

	@Override
	public void onDragStart(DragController controller) {
		super.onDragStart(controller);
		MouseFollower.setMouseWidget(proxy);
		MouseFollower.show();
	}

	public void setWidget(Widget w) {
		proxy.setWidget(w);
	}

	@Override
	public String toString() {
		return "DragProxy";
	}
}
